12452146 has 8 divisors (see below), whose sum is σ = 21346560. Its totient is φ = 5336628.

The previous prime is 12452137. The next prime is 12452147. The reversal of 12452146 is 64125421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12452146.

It is not an unprimeable number, because it can be changed into a prime (12452147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444706 + ... + 444733.

It is an arithmetic number, because the mean of its divisors is an integer number (2668320).

Almost surely, 2^12452146 is an apocalyptic number.

12452146 is a deficient number, since it is larger than the sum of its proper divisors (8894414).

12452146 is an equidigital number, since it uses as much as digits as its factorization.

12452146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889448.

The product of its digits is 1920, while the sum is 25.

The square root of 12452146 is about 3528.7598388102. The cubic root of 12452146 is about 231.7829048227.

Adding to 12452146 its reverse (64125421), we get a palindrome (76577567).

The spelling of 12452146 in words is "twelve million, four hundred fifty-two thousand, one hundred forty-six".